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Finding the Fourth Proportional to 228,673.20, 343,009.96 and 95,480.88

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Solution

The fourth proportional to 228,673.20, 343,009.96 and 95,480.88 is: 143,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,673.20 : 343,009.96 = 95,480.88 : x
  2. Step 2: Convert to fraction form
    228,673.20/343,009.96 = 95,480.88/x
  3. Step 3: Cross multiply
    228,673.20x = 343,009.96 × 95,480.88
  4. Step 4: Simplify right side
    228,673.20x = 32,750,892,829.56
  5. Step 5: Solve for x
    x = 32,750,892,829.56/228,673.20
  6. Step 6: Final answer
    x = 143,221.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.